> What happens then? "It does not work" is very very vague. At least it
> seems the compiler does build now?
Oh, compiler builds but instruction is still "bl fadd". It should be
"fadds" right?
On Thu, 22 Aug 2019 at 11:55, Segher Boessenkool
<seg...@kernel.crashing.org> wrote:
>
> Hi Tejas,
>
> [ Please do not top-post. ]
>
> On Thu, Aug 22, 2019 at 09:09:37AM +0530, Tejas Joshi wrote:
> > Yes, I tried basically every combination I could think of, just not
> > with the "isa attr". Now, I have the following code and it is still
> > seems not to be working. Am I missing any options to pass?
> >
> > (define_insn "add_truncdfsf3"
> > [(set (match_operand:SF 0 "gpc_reg_operand" "=f,wa")
> > (unspec:SF [(match_operand:DF 1 "gpc_reg_operand" "%d,wa")
> > (match_operand:DF 2 "gpc_reg_operand" "d,wa")]
> > UNSPEC_ADD_NARROWING))]
> > "TARGET_HARD_FLOAT"
> > "@
> > fadds %0,%1,%2
> > xsaddsp %x0,%x1,%x2"
> > [(set_attr "type" "fp")
> > (set_attr "isa" "*,p8v")])
> >
> > with the code, I pass -O2 foo.c :
> > float
> > foo (double x, double y)
> > {
> > return __builtin_fadd (x, y);
> > }
>
> What happens then? "It does not work" is very very vague. At least it
> seems the compiler does build now?
>
>
> Segher
